/Engine/Source/Runtime/CoreUObject/Public/UObject/Class.h
Calls the c++ class's DeclareConstructClasses static function (from the nearest native parent if this is not native)
void CallDeclareConstructClasses ( [TArray](API\Runtime\Core\Containers\TArray)< [FTopLevelAssetPath](API\Runtime\CoreUObject\UObject\FTopLevelAssetPath) > & OutConstructClasses ) const